# WANJIN ESS vs EnergyStorage

The clearest difference is update cadence: EnergyStorage at every 2 months against WANJIN ESS's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WANJIN ESS ships an update every 6 months, EnergyStorage every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | WANJIN ESS | EnergyStorage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 24 MB | 42 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anhui Udan Technology Co., Ltd.](https://appshunter.io/developer/1593792520) | [佳斌 张](https://appshunter.io/developer/1564072258) |

## What reviewers say

### WANJIN ESS

[App page](https://appshunter.io/ios/app/wanjin-ess/id6478657145)

**Features:** macOS Compatibility

**In-app purchases:** none


### EnergyStorage

[App page](https://appshunter.io/ios/app/energystorage/id6748491216)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WANJIN ESS free?

WANJIN ESS is free to download, with no in-app purchases.

### Is EnergyStorage free?

EnergyStorage is free to download, with no in-app purchases.

### Do WANJIN ESS or EnergyStorage have ads?

Neither WANJIN ESS nor EnergyStorage shows ads.

### Which is updated more often, WANJIN ESS or EnergyStorage?

WANJIN ESS ships an update every 6 months, and EnergyStorage every 2 months. Most recently, WANJIN ESS was updated on October 25, 2026 and EnergyStorage on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*